Join Mayor Hagerty, representatives of Dynegy Energy, the Chicago Region Trees Initiative, and the Public Works Agency for a tree planting ceremony in Raymond Park on Wednesday, May 22, at 11 a.m. Dynegy is donating 40 trees to the City of Evanston in recognition of the value trees play in our communities to clean our air and water, reduce flooding, reduce energy usage, increase the economy, and improve our mental and physical health.